El Columpio

Recording by Francisco Tárrega.

Recording identifiers

ISRC
ITI890600297
CopyrightID (CopyrightChains transaction hash)
0x8875daf9689c1e4cc6d14e7b26e0ae956c5d00424aa62aa1fc90aee5330a32b5
Copyright registration time
2026-06-27T07:02:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:805d92462cbc3f403cd82ac7265398cb2fc8200f914a7b3282de7227443d8d19

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.